http://en.wikipedia.org/wiki/Christian_Goldbach
http://www.statemaster.com/encyclopedia/Christian-Goldbach
_ Goldbach Conjecture
http://www.youtube.com/watch?v=MQf1sLZGI9s
_ Taoufik Ennoure BMCC Math conference Nov 01st 2009 Video 01
http://www.youtube.com/watch?v=HvFWsicODPc
